Preheat oven to 350°.,Heat oil in heavy Dutch oven.,Add meat and brown on all sides.,Remove meat and add onion, celery and garlic.,Cook until tender.,Add rest of ingredients.,Drain off fat.,Add meat.,Cover and cook 2 1/2 or 3 hours.,Transfer meat to warm platter.,______,Bring to a simmer, stirring often until thickens. Season with salt and pepper.,Slice meat and pour some of the gravy over the meat.,Pass the rest.,Serves 8.